<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8"
          ><el-input
            placeholder="请输入内容"
            clearable
            v-model="queryInfo.query"
            @clear="getUserlist"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserlist"
            ></el-button> </el-input
        ></el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template v-slot="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template v-slot="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top">
              <el-button
                type="waring"
                icon="el-icon-share"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email" type="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框   -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClose"
    >
      <el-form
        :model="editFrom"
        label-width="70px"
        :rules="editFromRules"
        ref="editFromRef"
      >
        <el-form-item label="用户名">
          <el-input v-model="editFrom.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editFrom.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="edituUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setUserRolesDialog" width="50%">
      <div>
        <p>当前的用户:{{ userInfo.username }}</p>
        <p>当前的角色:{{ userInfo.role_name }}</p>
        <p>
          <el-select v-model="seletRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesNewList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="setUserRolesDialog = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { request } from '@/network/reuqest'
export default {
  data() {
    // 验证邮箱的规则
    // var checkEmail = (rule, value, callback) => {}
    // 验证手机的规则
    // var checkmobile = (rule, value, callback) => {}
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条
        pagesize: 2
      },
      // 用户信息
      userlist: [],
      // 一共多少条
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      dialogVisible: false,
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          {
            required: true,
            message: '请输入用户名',
            trigger: 'blur'
          },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          {
            required: true,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        mobile: [
          {
            required: true,
            message: '请输入手机号',
            trigger: 'blur'
          },
          {
            min: 11,
            max: 11,
            message: '请输入正确的手机号',
            trigger: 'blur'
          }
        ]
      },
      // 查询到的用户信息对象
      editFrom: {},
      editFromRules: {
        email: [
          {
            required: true,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          { type: 'email', message: '请输入正确的邮箱', trigger: 'blur' }
        ],
        mobile: [
          {
            required: true,
            message: '请输入手机号',
            trigger: 'blur'
          },
          {
            min: 11,
            max: 11,
            message: '请输入正确的手机号',
            trigger: 'blur'
          }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setUserRolesDialog: false,
      // 需要被分配用户角色信息
      userInfo: {},
      // 所有角色数据
      rolesNewList: [],
      // 已选中的角色id值
      seletRoleId: ''
    }
  },
  created() {
    this.getUserlist()
  },
  methods: {
    // 获取用户列表数据
    async getUserlist() {
      const { data: res } = await request({
        url: 'users',
        params: this.queryInfo
      })
      if (res.meta.status !== 200)
        return this.$message.error('获取用户列表失败')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize改变事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserlist()
    },
    // 监听当前的页数
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserlist()
    },
    // 监听switch开关的状态的改变
    async userStateChanged(userinfo) {
      const { data: res } = await request({
        method: 'put',
        url: `users/${userinfo.id}/state/${userinfo.mg_state}`
      })
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return false
        // 可以发起用户的网络请求
        const { data: res } = await request({
          method: 'post',
          url: 'users',
          data: this.addForm
        })
        if (res.meta.status !== 201) {
          return this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.dialogVisible = false
        this.getUserlist()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      const { data: res } = await request({
        url: `users/${id}`
      })
      if (res.meta.status !== 200)
        return this.$message.error('查询用户信息失败')
      this.editFrom = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClose() {
      this.$refs.editFromRef.resetFields()
    },
    // 修改用户信息并提交
    edituUserInfo() {
      this.$refs.editFromRef.validate(async (valid) => {
        if (!valid) return false
        // 发起修改用户信息的请求
        const { data: res } = await request({
          method: 'put',
          url: `users/${this.editFrom.id}`,
          data: {
            email: this.editFrom.email,
            mobile: this.editFrom.mobile
          }
        })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败')
        }
        this.editDialogVisible = false
        this.getUserlist()
        this.$message.success('更新用户数据成功')
      })
    },
    // 根据id删除对应的用户信息
    async removeUserById(id) {
      // 询问用户是否删除
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err)
      if (confirmResult !== 'confirm') {
        return this.$message({
          type: 'info',
          message: '已取消删除!'
        })
      }
      const { data: res } = await request({
        method: 'delete',
        url: `users/${id}`
      })
      if (res.meta.status !== 200) {
        return this.$message({
          type: 'error',
          message: '删除失败!'
        })
      }
      this.$message({
        type: 'success',
        message: '删除成功!'
      })
      this.getUserlist()
    },
    // 点击分配角色 对话框显示
    async setRole(userInfo) {
      // 在展示对话框前获取所有角色列表
      const { data: res } = await request({
        url: 'roles'
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色数据失败')
      }
      this.$message.success('获取角色数据成功')
      this.rolesNewList = res.data
      this.userInfo = userInfo
      this.setUserRolesDialog = true
    },
    // 点击确定按钮分配角色
    async saveRoleInfo() {
      if (!this.seletRoleId) {
        return this.$message.error('请选择一个角色')
      }
      console.log(this.seletRoleId)
      console.log(this.userInfo.id)
      const { data: res } = await request({
        url: `users/${this.userInfo.id}/role`,
        method: 'put',
        data: {
          rid: this.seletRoleId
        }
      })
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('分配角色失败')
      }
      this.$message.success('分配角色成功')
      this.getUserlist()
      this.setUserRolesDialog = false
    }
  }
}
</script>

<style scoped></style>
